You are browsing the archive for autumnal equinox.

Avatar of INFORUM

by INFORUM

Weather Talk: Dispelling myths about the autumnal equinox

September 20, 2010 in INFORUM

Wednesday night at 11:09 p.m., the sun will cross the celestial equator. This moment, known as the autumnal equinox, varies year by year between Sept. 21 and 24, owing to our calendar being reckoned by 24-hour days. Continue Reading